Inner portion of a brake rotor



FIG. 1 is a front elevational view of a first embodiment thereof;

FIG. 2 is a perspective view of the embodiment of FIG. 1;

FIG. 3 is a front elevational view of a second embodiment thereof;

FIG. 4 is a perspective view of the embodiment of FIG. 3;

FIG. 5 is a front elevational view of a third embodiment thereof; and,

FIG. 6 is a perspective view of the embodiment of FIG. 5. 

The ornamental design of an inner portion of a brake rotor, as shown and described. 